2/7=n/21*

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Solution for 2/7=n/21* equation: 



2/7=n/21*

We move all terms to the left:

2/7-(n/21*)=0

We add all the numbers together, and all the variables

-(+n/21*)+2/7=0

We get rid of parentheses

-n/21*+2/7=0

We calculate fractions


(-7n)/()+()/()=0

We add all the numbers together, and all the variables

(-7n)/()+1=0

We multiply all the terms by the denominator


(-7n)+1*()=0

We add all the numbers together, and all the variables

(-7n)=0

We get rid of parentheses

-7n=0

n=0/-7

n=0

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